perl pe
Several -e 's are allowed. You are missing the ';' find "*.cpp" | xargs perl -i -pe 's/##(-W)/-1/g;' -pe 's/(-W)##/-1/g;'. Perl statements has to end with ; . , Perl has a large number of command-line options that can help to make your programs more ... perl -pe 'some code' < input.txt > output.txt.
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 perl pe 相關參考資料
How to avoid perl -pe from printing unmatched lines - Stack ...
s/// is for substitute, which I don't think is what you want to do. s|.*(chicken).*|-1| tells perl to find a line with 'chicken' in it, and replace the word 'chicken' with itself. https://stackoverflow.com Perl command line search and replace with multiple expressions
Several -e 's are allowed. You are missing the ';' find "*.cpp" | xargs perl -i -pe 's/##(-W)/-1/g;' -pe 's/(-W)##/-1/g;'. Perl statements has to end with ; . https://stackoverflow.com Perl Command-Line Options
Perl has a large number of command-line options that can help to make your programs more ... perl -pe 'some code' < input.txt > output.txt. https://www.perl.com Perl flags -pe, -pi, -p, -w - Stack Overflow
Yes, Google is notoriously difficult for looking up punctuation and, unfortunately, Perl does seem to be mostly made up of punctuation :-). https://stackoverflow.com Perl Regex One-Liner Cookbook - RexEgg
Presents general recipes to build Perl regular expression one-liners to match, replace and split, either line-by-line or with ... perl -pe 's/-bc-w+/ZAP/g' yourfile ... https://www.rexegg.com Perl 常用的regexp 規則列表 - 朝陽科技大學
第一, perl 有一個很容易記的規則: 凡是標點符號, 加上倒斜線, 一定沒有特殊意義。 像grep ... (但grep 無法print 指定僅印比對字串的一小部分); 代換: perl -pe 's/.../.../g' https://www.cyut.edu.tw Perl 語言 - 朝陽科技大學
你也可以單獨安裝windows 版perl (見下面) 但cygwin 環境提供類似unix 命令列的環境, 下許多指令比較方便。 其他作業系統 ... perl -pe 's/-w//g' < ~/.login; 的效果和 https://www.cyut.edu.tw sed equivalent of perl -pe - Stack Overflow
$ echo '[foo] 123' | perl -pe 's/^-[([^-]]+)-].*$/$1/g' foo $ echo '[foo] 123' | sed -E 's/^-[([^]]+)-].*$/-1/' foo. sed by default accepts code from command ... https://stackoverflow.com The perl -pe command - Stack Overflow
It simply takes an expression given by the -e flag (in this case, s,^, ,g ) and performs it on every line of the input, printing the modified line (i.e. ... https://stackoverflow.com Why does `perl -pe 's$ng'` add 2 blank lines? - Stack Overflow
/$/ matches the “end of string”. This might be. the end of string (like /-z/ ),; or just before a newline before the end of string (like /(?=-n-z)/ ). https://stackoverflow.com |